ok... U can handle this with Events...

Example:

Code:

Function Your_Event
{
If(event_type==event_impact
{
//do something
}
}

Action Player
{
my.enable=impact=on;
my.event=Your_event;
}


Look into the Manual for more Informations about events!

cYa Sebastian

Tutorials:
[Blender]Terrain creation ENG/GER
[Blender]Low Poly Tree Modeling
[GIMP]Create a Texture for Terrains
CLICK HERE